Ballpoint pen



FIG. 1 is an angled front of a ballpoint pen of the present invention;

FIG. 2 is a right view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an angled front view thereof;

FIG. 9 is a right view thereof;

FIG. 10 is a left side view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof. 

CLAIM The ornamental design for a ballpoint pen, as shown and described. 